SPI_INT_STATUS
intr = bcm_spi_readb(bs, SPI_INT_STATUS);
bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
[SPI_INT_STATUS] = SPI_6348_INT_STATUS,
[SPI_INT_STATUS] = SPI_6358_INT_STATUS,
bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);